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Type Ia Supernovae & the Distance Ladder: Structures & Vocabulary

Type Ia supernovae extend the distance ladder far beyond Cepheid reach because they are enormously luminous. The ladder measures the local Hubble constant and tests consistency with values inferred from early-universe observations.

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Type Ia Supernovae & the Distance Ladder: Structures & Vocabulary

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AST-786Type Ia Supernovae & the Distance Ladder: Foundations→

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AST-788Type Ia Supernovae & the Distance Ladder: Physical Mechanisms→

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Type Ia supernovae extend the distance ladder far beyond Cepheid reach because they are enormously luminous.

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Once a supernova class is standardized and its absolute luminosity calibrated, observed flux gives luminosity distance.

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